The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, spinning top toys, which have sold some 450 million units in over 80 countries and regions. Created by a Japanese firm in 1999, these tops, called Beyblades, are beloved by children worldwide. There was even a world championship held in Paris in 2018! This time, we take a spin into the story behind these toys, and learn how their creators were inspired by rock-paper-scissors.